Laura is bowling 5 games. Her first 4 scores were 118, 128, 124, and 98. To end up with an average score of at least 123.2, what is the lowe

Question

Laura is bowling 5 games. Her first 4 scores were 118, 128, 124, and 98. To end up with an average score of at least 123.2, what is the lowest score Laura will need in the fifth game?

in progress 0
Nem 6 months 2021-08-03T14:59:30+00:00 1 Answers 86 views 0

Answers ( )

  1. Verity
    0
    2021-08-03T15:00:54+00:00
    Reply

    Answer:

    148

    Step-by-step explanation:

    Average = sum of numbers /total numbers

    let x = 5th number

    123.2 = (118+ 128 + 124,+ 98 + x) / 5

    123.2 = (468 + x) / 5

    Multiply both sides by 5

    616 = 468 + x

    x = 148

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )